Across
- 2. We need this to survive
- 5. We use this to breathe air inside our bodies
- 10. The system that uses the heart and blood vessels
- 11. We are apart of the body's structure.
- 12. The system that keeps bones intact
- 13. We do this to survive
- 15. Something that comes out after we breath out
Down
- 1. The system that is used when breathing
- 3. We need this to keep our bodies healthy
- 4. One of the smallest blood vessels in the human bodies.
- 6. A subject in school where we learn about systems
- 7. A red liquid inside our bodies
- 8. A hard thing inside our bodies
- 9. A thing that works together to function
- 13. Where systems take place inside.
- 14. It has two different looks and means love